Abstract: A method for learning QoS performance inter-dependence of a plurality of communication links in a network managed by a central node, wherein the plurality of wireless links interface with a common application applying a joint figure of merit, comprising: selecting at least two links among the plurality of communication links; generating training requests respectively for each selected link; measuring QoS performance on each selected link for the training requests; and combining the measured QoS performance of the selected links, so as to obtain the QoS performance inter-dependence between the selected links.

Abstract: The disclosure relates to a method for calculating capabilities of a WB in a communication system within a TSN network. The WB comprises at least a UPF, a BS and a UE. The UPF comprises at least one NW port enabling communication between said BS and a first subnetwork. The UE is wirelessly connected, within the TSN network, to said BS, and comprises a DS port enabling communication with a second subnetwork. The method is performed at the WB and comprises estimating a performance capacity of the wireless connection between the BS and the UE based on information related to an intended network usage for time-sensitive communication at the WB, and calculating the TSN capabilities of the WB corresponding to the estimated performance capacity. The disclosure further relates to a corresponding communication system.

Abstract: Obstacle detection enhancement data are transmitted from a server to at least one moving conveyance embedding an obstacle detection system and an on-board wireless radio unit communicating with the server via wireless link. To do so, downlink transmission resources are allocated to each on-board wireless radio unit in a transmission cycle Cn, by optimizing the difference between a distance travelled by the moving conveyance during a transmission cycle and a distance covered by the obstacle detection enhancement data made available to the obstacle detection system at a next transmission cycle Cn+1, wherein the volume of obstacle detection enhancement data expected to be transmitted during the transmission cycle Cn is determined from volume-to-distance ratio information bk stored in a database and from actual quality of the wireless link.

Abstract: The present disclosure relates to a method (50) for transmitting a data stream from a transmitting device (30) to a receiving device (40), the data stream comprising m data sub-streams, said method (50) comprising: encoding (S51) the data sub-streams with respective polar codes, such as to produce m polar-encoded data sub-streams, modulating (S52) the m polar-encoded data sub-streams onto symbols of a multilevel modulation comprising m levels defining 2m different symbols, such as to produce a symbol stream, transmitting (S53) the symbol stream to the receiving device (40), wherein the 2m symbols of the multilevel modulation are distributed in the complex plane such that they are regularly spaced along the real axis and the complex axis by a spacing factor K, the predetermined labeling function Z being such that ?(Z)<1.7m×(0.0425×m?0.

Abstract: Examples include a method for providing sidelink resources to a plurality of mobile devices comprising a specific mobile device. The method comprises providing source sidelink resources to the specific mobile device. The method also comprises receiving an indication that the specific mobile device is moving from the coverage of a source cell to the coverage of a destination cell. The method further comprises negotiating, by a source base station, common sidelink special resources with a destination base station, whereby the source and destination base stations have some common resources. The method also comprises reconfiguring the sidelink resources provided to the specific mobile device from the source sidelink resources to the common sidelink special resources and triggering a handover of the specific mobile device from the source base station to the destination base station.

Abstract: A method implemented by a first device to share at least one resource element within a wireless communication network, the resource element belonging to a first set of radio resources allocated to the first device within a resource pool, the first device using a device-to-device communication within the wireless communication network, and wherein the first device emits, through the device-to-device communication, an indication that the resource element is available for sharing.

Abstract: A method for estimating a performance of a wireless communication network for a given time-frequency resource allocation is disclosed. The communications in said wireless communication network are subject to interferences whose activation is modeled by a binary random variable bt indicating whether an interferer is active or not at a time instant t, the discrete-time stochastic process {bt}t?[??;+?] being modelled by a Markov chain with memory M. A frequency channel sequence associated with at least one set of consecutive observations of interference activation is determined from a frequency hopping sequence. The Markov chain associated with the determined frequency channel sequence is then identified and a set of probabilities of the identified Markov chain is updated according to the obtained at least one set of consecutive observations of interference activation.

Abstract: The invention relates to a method to relay a vulnerable road user, VRU, application server 20 for updating a vulnerable road user parameter P1, P2, P3 of a VRU corresponding to a first user equipment, UE, in a vehicle-to-everything, V2X, communication system, comprising: receiving from the VRU application server by a second UE a first message including information related to the VRU parameter of the first UE, said second UE corresponding to a vehicle and being in the V2X communication system; transmitting by the second UE to the first UE a second message including the information related to the VRU parameter via a device to device communication; and receiving by the second UE from the first UE a third message including information related to a value of the VRU parameter of the first UE.

Abstract: A method implemented by a user equipment to access a satellite network, at least one satellite of the satellite network being in movement relatively to Earth, the satellite network deploying radiofrequency satellite beams, wherein the user equipment: receives through at least a first satellite beam data of assistance information regarding at least current and future satellite beams of the network, interprets the data of assistance information to anticipate: connection conditions through the first satellite beam, and connection conditions through at least one second satellite beam, different from the first satellite beam, decides the access to the satellite network through a satellite beam among the first satellite beam and the second satellite beam, selected on the basis of at least the connection conditions through the first and second satellite beams, and implements a RACH procedure through the selected satellite beam.

Abstract: A method includes: determining a set of all possible configurations of occupation or non-occupation of a set of transmission bands, defined as a set of possible vectors; building a matrix from a stacking of all the possible vectors; obtaining measurements of occupation of at least a part of the set of channels, at respective time instants; and computing probabilities using a channel transition function so as to determine, for each transmission band, an estimated activation rate, on the basis of the measurements. The estimated activation rate corresponds to an occupation rate of a transmission band by an interferer within the given observation time window, and the probabilities computations include an iterative resolution of a non-linear optimization problem with a constraint derived from the Gibbs’ inequality.

Abstract: The disclosure relates to methods and products for processing stream requests. Upon obtaining the stream requests, an initial TSN scheduling is computed at a CNC based on an initial TSN capability obtained from a dynamic bridge (DB). Then, a loop is started. At each iteration, it is determined, based on information related at least to the last computed TSN scheduling, whether or not to provide information related to an updated TSN capability of the DB to the CNC. If it is decided to provide said information, the CNC computes, based on said information, an updated TSN scheduling. Else, the loop is exited. It is determined, based on at least one computed TSN scheduling, whether to configure the TSN according to one of said at least one computed TSN scheduling or to request an adjustment of at least one stream request.

Abstract: The invention relates to a method for optimizing a capacity of a communication channel in a communication system comprising at least a transmitter (10), a receiver (11), and the communication channel (12) between the transmitter and the receiver. The transmitter (10) uses a finite set of symbols ?={?1, . . . , ?N} having respective positions on a constellation, to transmit a message including at least one symbol on said communication channel (11). The communication channel (11) is characterized by a conditional probability distribution ?Y|X(y|x), where y is the symbol received at the receiver (12) while x is the symbol transmitted by the transmitter. More particularly, the conditional probability distribution ?Y|X(y|x) is obtained, for each possible transmitted symbol x, by a mixture model using probability distributions represented by exponential functions.

Abstract: The disclosure relates to a method for providing assistance information on the quality of at least one communication channel between a first device and a target group of second devices in a device-to-device communication system. Among the second devices of the target group, at least one candidate is selected based on at least one criterion related to a communication condition related to at least one second device of the target group. At least one selected candidate transmits assistance information that is representative at least of the quality of the communication channel between the first device and said at least one candidate. The disclosure further relates to corresponding communication systems, second devices, computer programs, computer-readable storage media and processing circuits.

Abstract: The invention relates to a method for optimizing a capacity of a communication channel in a communication system comprising at least a transmitter, a receiver, said communication channel between the transmitter and the receiver, and a channel conditional probability distribution estimator. The transmitter transmits messages conveyed by a signal associated with a transmission probability according to an input signal probability distribution estimated by said estimator. The transmitter takes at least the messages as inputs and outputs the signal to be transmitted on the channel. The channel takes the transmitted signal as an input and outputs a received signal which is processed at the receiver in order to decode the transmitted message. The probability distribution for each possible transmitted signal is estimated from at least output signals received at the receiver, and by using a collapsed Gibbs sampling relying on a Dirichlet process.

Abstract: A method for geolocating an interference source in a communication-based transport system, wherein the communication-based transport system comprises: —a plurality of interference sources, distributed in a space and respectively emitting signal, —a vehicle, moving along a known trajectory, receiving the signal from the interference sources, and measuring the signal strength of the signal of only one interference source at a time instance; the method comprising: —separating the interference sources by clustering the signal strength of the signal with a clustering method; —estimating the locations of the interference sources in the space based on the separated interference sources.

Abstract: Examples include a method to determine a Quality of Service, QoS, parameter, comprising receiving, at a base station, and from a transmitting entity, a QoS parameter request for a session, whereby the request comprises a descriptor for the session and an indication that the session is a probing session. The method further comprises determining, at the base station, the QoS parameter related to the probing session; and transmitting, by the base station, the determined QoS parameter to a receiving entity.

Abstract: Examples include a method to communicate between a first and a second synchronized mobile devices, the method comprising sensing a plurality of preconfigured radio resources and identifying for each sensed preconfigured radio resource, whether it is occupied. The method also comprises receiving an indication of future occupied preconfigured radio resource utilization by further mobile devices in the spatial domain, and selecting a specific pre-configured radio resource reducing or preventing communication collisions in the spatial domain. The method further comprises the first and the second mobile devices communicating using the selected specific preconfigured radio resource.

Abstract: A method implemented by a user equipment performs a handover between a first cell and a second cell in a network comprising a satellite communication network, the first cell and the second cell being supported by one or more satellites of the satellite communication network, the first cell corresponding to a first base station and the second cell corresponding to a second base station, at least the first cell being supported by a non-geostationary orbit satellite of the satellite communication network, the method including: determining a value to be used as a timing advance in the second cell; and performing an uplink transmission with the second base station using the value to be used as a timing advance in the second cell.

Abstract: Examples include a method for operating a specific mobile device moving from a source cell to a destination cell. The method comprises using a source sidelink managed by a source base station, whereby the specific and following mobile devices are located within the source cell. The method also comprises switching from the source sidelink to a fallback link, the fallback link resources being managed independently from any base station. The method further comprises switching from the fallback link to a destination sidelink managed by a destination base station, whereby the specific device and the following device are located within the destination cell.

Abstract: A method for managing a computer network is provided, which comprises: performing data collection at at least one network node of the computer network belonging to a set of one or more network nodes corresponding to a first depth level of a routing tree that represents nodes of the computer network and edges respectively corresponding to neighboring relations between two nodes of the computer network, the data collection comprising: receiving first data collection configuration data generating second data collection configuration data for collecting data from at least one child node in the routing tree of the at least one network node of the computer network, wherein the second data collection configuration data comprises scheduling data for collecting data from each of the at least one child node, and collecting data from each of the at least one child node according to the second data collection configuration data.